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S355JR non alloy structural steel to EN 10025-2

S355JR non alloy structural steel to EN 10025-2

Posted:2021-04-26 15:15:35

S355JR non alloy structural steel to EN 10025-2 standard is used to manufacture hot-rolled flat and long products, which are subsequently used when producing steel building structures.
“S” in the letters of S355JR material grade represents the steel as structural steel, letters in numerals i.e. “355” represents yield strength i.e. 355 N/mm² minimally, the “JR” addition ensures that the steel has been subjected to testing at 27 Joules with longitudinal Chary V-Notch impact testing at standard room temperature. Different designations of Charpy tests include J2, J0, and K2.
Classification: Non-alloy structural steel.
Number: 1.0045
Products: Flat and long products, semi-finished products.

S355JR equivalent grades


France

E36-2

UK

50B

Europe (outdated)

Fe510-B

Belgium

AE355-B

Sweden

1412-00

Chemical composition of S355JR steel ladle analysis, %


ะก

Si

Mn

P

S

N

Cu

≤ 0,24

≤ 0.55

≤ 1.60

≤ 0.035

≤ 0.035

≤ 0.012

≤ 0.55

Mechanical properties of steel S355JR


Nominal thickness, mm

Minimum yield strength, MPa

Strength limit, MPa

<3

355

510-680

≥3 ≤ 16

355

470-630

> 16 ≤ 40

345

470-630

> 40 ≤ 63

335

470-630

> 63 ≤ 80

325

470-630

> 80 ≤ 100

315

470-630

> 100 ≤ 150

295

450-600

> 150 ≤ 200

285

450-600

> 200 ≤ 250

275

450-600

> 250 ≤ 400

265

450-600

Welding
S335JR non alloy structural steel has good weldability using various welding methods, both without heating and with pre-heating, and followed by high-temperature processing .

Application
EN 10025-2 S355JR structural steel has a wide range of applications in construction, metallurgy, heavy and transport engineering, machine tool, power engineering and bridge building industries. Various profiles and metal structures, parts and elements of ground and underground equipment are made from steel S355JR.

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